Personalized Old As Dirt Long Sleeve T-Shirt. Old as dirt, and just as lively. When you're way over the hill and you were on a first name basis with fossils, this is for you! Funny birthday gift for your favorite senior citizen! Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL